Sunex SX545B 3/8-Inch Reversible Right Angle Air Drill 90-Degree angle design for use in restricted areas Variable speed lever throttle Ribbed handle for positive grip Ball bearing construction for long life Specifications: free speed (rpm) at 90psi 1,600, maximum capacity (-Inch) 3/8, air inlet (npt) 1/4, minimum hose size (i.d.) 3/8, recommended air pressure (psi) 90, avg. air consumption (cfm) 4, sound level (dba) 94, length (-Inch) 8, weight (lbs.) 2.75